Soak the cashews long before you start this delicious vegan substitute for sour cream. You can make it 2 days in advance and stored, covered, in the refrigerator. Use it to top latkes, holiday roasts, and baked potatoes.
1cupraw cashewssoaked for at least 5 hours or overnight and drained
Place the cashews, horseradish, salt, lemon juice and 1/4 cup water in a blender or food processor. Blend on high until the mixture is very smooth, adding more water, one tablespoon at a time, until the mixture is a creamy, spoonable consistency.